Name: Rawon Sanad

Problem 1: [20% ] Show complete steps of your solution

بیگی

1) [10% ] Determine the enthalpy change and the entropy change of CO2 per unit mass as it undergoes

a change of state from 365 K and 14.78 MPa to 380 K and 22.17 MPa, by accounting for the deviation

from ideal-gas behavior.

Using Zn

Name:

Te/nit undergoes

deviation

Rawan Sanad

Name:

2) [10% ] A mixture of gases consists of 30 kg of oxygen, 60 kg of carbon dioxide, and 10 kg of

This mixture is maintained at 120 kPa and 37°C. Determine the following

a) The mole fraction of oxygen

b) The mole fraction of carbon dioxide

c) The partial pressure of helium

d) The apparent molecular weight of this mixture

e) The volume of the mixture